715409453 - Personal Location Transmitters (PLTs) - UK1

Procurement reference

715409453

Procurement description

Personal Location Transmitters (PLTs), previously known as Personal Locator Beacons (PLBs), is a man overboard identification and location system which are carried on all Royal Navy submarines providing improved likelihood of survivor location following escape or abandonment in the event of a Distressed Submarine (DISSUB).

Interested parties are to note:

• This Preliminary Market Engagement Notice is invite suppliers to take part in market engagement for this potential future requirement and is not a formal request for Expressions of Interest (EOI) nor a commitment to run a procurement exercise.

• The publication date of the UK 4 Tender Notice, Contract start date and Contract end date are an estimate and is still subject to change.

Main category

Goods

Delivery regions

• UK - United Kingdom

Total value (estimated)

4583333.33 GBP Excluding VAT

5500000 GBP Including VAT

Contract dates (estimated)

01 April 2026, 00:00AM to 01 April 2031, 23:59PM

Extension end date (if all the extensions are used): 01 April 2036

Submarine Delivery Agency

Is this procurement under a special regime?

Defence and security

Is the total value above threshold?

Above threshold

CPV classifications

• 35512000 - Submarines
• 35512100 - Strategic submarine nuclear fuelled
• 35512200 - Attack submarine nuclear fuelled

Delivery regions

• UK - United Kingdom

Sustainability

Small and medium-sized enterprises (SME)

Contract start date (estimated)

01 April 2026, 00:00AM

Contract end date (estimated)

01 April 2031, 23:59PM

Extension end date (estimated)

01 April 2036, 23:59PM

Can the contract be extended?

Yes

Engagement process description

Personal Location Transmitters (PLTs), previously known as Personal Locator Beacons (PLBs), are a man overboard identification and location system which are carried on all Royal Navy submarines providing improved likelihood of survivor location following escape or abandonment in the event of a Distressed Submarine (DISSUB) scenario.

The Submarine Delivery Agency (SDA) has a requirement to procure PLTs. Consequently, the Authority seeks to assess the commercial market’s capability to tender solutions that meet this future procurement need. This process will enable the Authority to plan activities effectively and may assist in shaping the future procurement strategy and defining the scope of the requirement.

For further details, please refer to the attached Request for Information (RFI) which is included as part of the Opportunity Listing on the Defence Sourcing Portal (DSP). The Authority welcomes responses to the questions outlined in Annex A. Organisations interested in providing information are invited to contact Martha Frankland at martha.frankland100@mod.gov.uk.

The RFI closure date is 22nd August 2025 at 23:59.

This RFI does not represent a contractual commitment of any kind at this time. Any work undergone as a result of this request is done so at your organisations risk. This RFI is not a commitment by the UK Ministry of Defence to place an order or a Tender in the future.

Due date

22 August 2025, 23:59PM

Has the engagement period already ended?

No

Publication date of tender notice (estimated)

21 November 2025